Author: Hans van der Zijden
Date: 16:11:28 01/12/02
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On January 11, 2002 at 16:42:15, Michael Schmolei wrote: >I have already checked a few programs, they don't find it inside 7-8 minutes. >Perhaps with faster hardware....? >A study from Kazantsev > >[D]1R6/5p2/4P1pb/2K4p/2pB1N1k/4P3/6PP/2q5 w - - > > >http://members.tripod.de/Michaels_Schachpage Nieuwe partij Invoeren 1R6/5p2/4P1pb/2K4p/2pB1N1k/4P3/6PP/2q5 w - - 0 1 Fritz only needs 2:19:59 to find e7 on an AMD 1200. Analysis by Fritz 7: 1.exf7 Qa3+ 2.Kd5 Qa5+ 3.Kd6 Qf5 4.g3+ Kg4 5.Ke7 +- (1.57) Diepte: 6/25 00:00:00 161kN 1.exf7 Qa3+ 2.Kd5 Qa5+ 3.Ke6 Qf5+ 4.Ke7 Qe4+ 5.Ne6 Qxg2 6.Be5 +- (1.50) Diepte: 7/26 00:00:00 233kN 1.exf7 Qa3+ 2.Kd5 Qa5+ 3.Ke6 Qf5+ 4.Ke7 Qe4+ 5.Ne6 Qxg2 6.Bf6+ g5 7.Be5 +- (1.41) Diepte: 8/29 00:00:01 760kN 1.exf7 Qa3+ 2.Kd5 c3 3.Nxg6+ Kg5 4.f8Q Bxf8 5.Nxf8 c2 6.Ne6+ Kg4 ± (1.25) Diepte: 9/29 00:00:04 3045kN 1.exf7 Qa3+ 2.Kd5 c3 3.Nxg6+ Kg5 4.f8Q Bxf8 5.Nxf8 c2 6.Ne6+ ± (1.32) Diepte: 10/32 00:00:11 7625kN 1.exf7! +- (1.60) Diepte: 11/35 00:00:38 26494kN 1.exf7 Qa3+ 2.Kd5 c3 3.Ke4 Qa6 4.g3+ Kg4 5.Rb6 Qa8+ 6.Nd5 c2 7.Rxg6+ +- (1.54) Diepte: 12/35 00:01:28 61571kN 1.exf7! +- (1.82) Diepte: 13/36 00:02:53 121463kN 1.exf7 Qa3+ 2.Kd5 c3 3.Nxg6+ Kg5 4.Ne5 h4 5.Rg8+ Kh5 6.Nd7 Qb3+ 7.Ke5 Qb5+ +- (1.85) Diepte: 13/37 00:03:45 158703kN 1.exf7-- +- (1.57) Diepte: 14/39 00:08:49 373745kN 1.exf7 Qa3+ 2.Kd5 c3 3.Ke4 Qa6 4.Rb6 Qa8+ 5.Nd5 Qa2 6.Bf6+ Kg4 7.Bxc3 ± (1.35) Diepte: 14/41 00:15:12 646185kN 1.exf7 Qa3+ 2.Kd5 c3 3.Ke4 Qa6 4.Rb6 Qa8+ 5.Nd5 Qa4 6.Kd3 c2 7.Bf6+ ± (1.29) Diepte: 15/44 00:34:21 1463047kN 1.exf7 Qa3+ 2.Kd5 c3 3.Nxg6+ Kg5 4.Ne5 Qa2+ 5.Nc4 Kg6 6.f8Q ± (1.16) Diepte: 16/45 01:38:11 4167912kN 1.e7! ± (1.19) Diepte: 16/45 02:19:59 5899567kN 1.e7 Qa3+ 2.Rb4 Qa7+ 3.Kxc4 Qxe7 4.Nxg6+ fxg6 5.Bf6+ Qxf6 6.Kd5+ ± (1.29) Diepte: 16/45 02:23:38 6047502kN Hans.
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